PROBLEM TO BE SOLVED: To provide a medical mat 10 that enables a large intestine to be imaged precisely without the need of fitting the mat 10 to a bed in advance.SOLUTION: A manufacturing method of a medical mat 10 includes: preparing a core material 4, an upper and lower surface sheet 3 including a peripheral edge connecting piece 31, and a pair of side surface sheets 2 each of which includes an upper side connecting piece 21 and a lower side connection piece 22 connecting an upper side connecting piece 21 of one side surface sheet 2 of the pair of the side surface sheets 2 to the outside of an upper part 35 of the peripheral edge connecting piece 31 and connecting a lower side connection piece 22 of the one side surface sheet 2 to a lower part 36 of the peripheral edge connecting piece 31 connecting an upper side connecting piece 21 of the other side surface sheet 2 of the pair of the side surface sheets 2 to the outside of an upper part 35 of the peripheral edge connecting piece 31 storing the core material 4 into the inside of the connected upper and lower surface sheet 3 and pair of side surface sheets 2 and connecting a lower side connection piece 22 of the other side surface sheet 2 to a lower part 36 of the peripheral edge connecting piece 31.COPYRIGHT: (C)2016,JPO&INPIT【課題】あらかじめ寝台に取り付けておく必要がなく、大腸を正確に撮像することができる医療用マット10を提供する。【解決手段】医療用マット10の製造方法において、芯材4と、周縁結合片31を有する上下面シート3と、上側結合片21及び下側結合片22をそれぞれ有する一対の側面シート2とを準備し、一対の側面シート2の一方の側面シート2の上側結合片21を、周縁結合片31の上部35の外側に結合すると共に、一方の側面シート2の下側結合片22を周縁結合片31の下部36と結合し、一対の側面シート2の他方の側面シート2の上側結合片21を、周縁結合片31の上部35の外側に結合し、結合された上下面シート3及び一対の側面シート2の内部に芯材4を収納し、他方の側面シート2の下側結合片22を周縁結合片31の下部36と結合する。【選択図】図1